Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $209

United AirlinesUAUnited Airlines
One Way•Economy
United StatesBWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$259 USD
-19%$209 USD
Verified about 5 hours ago
Good Availability
40% of dates checked are available within 10% of the lowest price

Tuesday, December 15th, 2026

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